Home / 5,550.43-7,662.41-4,288.66

Finding the Fourth Proportional to 5,550.43, 7,662.41 and 4,288.66

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Solution

The fourth proportional to 5,550.43, 7,662.41 and 4,288.66 is: 5,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.43 : 7,662.41 = 4,288.66 : x
  2. Step 2: Convert to fraction form
    5,550.43/7,662.41 = 4,288.66/x
  3. Step 3: Cross multiply
    5,550.43x = 7,662.41 × 4,288.66
  4. Step 4: Simplify right side
    5,550.43x = 32,861,471.27
  5. Step 5: Solve for x
    x = 32,861,471.27/5,550.43
  6. Step 6: Final answer
    x = 5,920.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.